Mitsubishi Electronics LDT422V manual 10Remote control, RS-232C Remote control, Connection

U-10Remote control

Carry out as necessary

RS-232C Remote control

By connecting multiple LCD monitors and a computer using RS-232C cables (commercially available), you can control the monitors from the computer for the following operations:

•Power ON or OFF

•Switching input signals

Connection

LCD monitor + PC

To RS-232C	To RS-232C	To RS-232C
connector IN	connector OUT	connector IN

PC

RS-232C cable RS-232C cable

•Before making connections, turn off the personal computer and the monitors.

•Start the personal computer first, and then turn on the monitors. (Otherwise, the com port may be unusable.)

NOTE:

For connection with a 25-pin serial port connector on the computer, a conversion adapter is required. Contact your dealer for details.

1) Interface

PROTOCOL	RS-232C
BAUD RATE	9600 [bps]
DATA LENGTH	8 [bit]
PARITY BIT	NONE
STOP BIT	1 [bit]
FLOW CONTROL	NONE

This LCD monitor uses RXD, TXD and GND lines for RS-232C control.

Use RS-232C cables of reverse type (commercially available).

2)Control command diagram

The command is structured by the address code, function code, data code and end code. The length of the command is different for each function.

NOTE:

The example below shows basic commands used for the configuration consisting of one computer and one monitor (one-to-one connection). For the commands for connecting multiple monitors, contact your dealer.

	Address code			Function code	Data code	End code
HEX		30h 30h		Function	Data	0Dh
ASCII		‘0’ ‘0’		Function	Data
[Address code]			30h 30h (ASCII code, ‘0’ ‘0’), fixed.
[Function code]			Code unique to each control function.
[Data code]			Data unique to each control function (Not always indicated by numerical values.)
[End code]			0Dh (In ASCII code, ‘ ’) fixed.

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